[Bash]

I'm pretty sure the grandmaster manual has Answers to most of that.... hint hint

In lower leagues everyone is more comfortable ending the game early-midgame, definitely learn to incorporate a few timing pushes/early attacks/even some "Cheesy builds" into your playstyle, they'll help you immensely.
4 Gates are still nice to mix in, but people will hate you, i usually try to push with my fisrt few stalkers, and then when my collosus/tech hits.

As far as when to stop Playing a macro style i'd have no idea, i'm not quite good enough to answer that. ♥